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Most-Used Tools
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Epoch / Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Runs in browserHTTP Status Code Reference
Complete reference for all HTTP status codes with explanations.
Runs in browserLinux Commands Reference
Searchable reference for common Linux commands with examples.
Runs in browserAll processing happens in your browser
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From the Blog
Find the guides, explanations,
and checklists you actually need.
Beginner's Guide to DNS Records
Understanding A, MX, TXT, and CNAME records — when to use each and why they matter for email and web hosting.
8 min readHTTP Status Codes You Should Actually Memorize
Beyond 200 and 404 — the status codes that actually come up during debugging, support, and API work.
6 min read25 Linux Commands Every Beginner Should Know
The essential command-line toolkit for anyone starting out with Linux, with examples for real-world use.
12 min readHow to Compare Two Text Files Quickly
Diff tools, command-line options, and when each approach makes sense for config changes, code reviews, and data work.
5 min readCIDR vs Subnet Masks: Explained for Beginners
IP addressing made clear — with a practical calculator and real examples from home networks to enterprise subnets.
7 min readHow to Write Better IT Runbooks
What makes a runbook actually useful in an incident vs one that gets ignored — structure, examples, and anti-patterns.
9 min readGet started today.
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